CVE-2024-37000

7.8 HIGH

📋 TL;DR

A memory corruption vulnerability in Autodesk's pskernel.DLL allows attackers to execute arbitrary code by tricking users into opening malicious X_B files. This affects users of vulnerable Autodesk applications on Windows systems. Successful exploitation could lead to complete system compromise.

💻 Affected Systems

Products:
  • Autodesk AutoCAD
  • Autodesk Fusion 360
  • Autodesk Inventor
  • Other Autodesk applications using pskernel.DLL
Versions: Multiple versions prior to April 2024 updates
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all default installations of vulnerable Autodesk products. Requires user interaction to open malicious X_B files.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise with attacker gaining the same privileges as the current user, potentially leading to data theft, ransomware deployment, or lateral movement.

🟠

Likely Case

Local privilege escalation or arbitrary code execution within the context of the Autodesk application, potentially leading to data exfiltration or malware installation.

🟢

If Mitigated

Limited impact with proper application sandboxing and user privilege restrictions, potentially only crashing the application.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires user interaction to open malicious files. No public exploit code available at time of analysis.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: April 2024 security updates

Vendor Advisory: https://www.autodesk.com/trust/security-advisories/adsk-sa-2024-0009

Restart Required: Yes

Instructions:

1. Open affected Autodesk application. 2. Navigate to Help > Check for Updates. 3. Install all available security updates. 4. Restart the application and system if prompted.

🔧 Temporary Workarounds

Block X_B file extensions

windows

Prevent opening of X_B files via group policy or application restrictions

Not applicable - configure via Group Policy Editor or application settings

Run with reduced privileges

windows

Run Autodesk applications with standard user privileges instead of administrator rights

Not applicable - configure via application shortcuts or user account settings

🧯 If You Can't Patch

  • Implement application whitelisting to prevent execution of unauthorized code
  • Use network segmentation to isolate Autodesk workstations from critical systems

🔍 How to Verify

Check if Vulnerable:

Check Autodesk application version against vendor advisory. Open application and check Help > About for version number.

Check Version:

wmic product where "name like '%Autodesk%'" get name, version

Verify Fix Applied:

Verify application version is updated to April 2024 or later security updates. Check Windows Update history for Autodesk patches.

📡 Detection & Monitoring

Log Indicators:

  • Application crashes in pskernel.DLL
  • Unexpected process creation from Autodesk applications
  • File access to X_B files followed by abnormal behavior

Network Indicators:

  • Outbound connections from Autodesk applications to unknown IPs
  • DNS queries for suspicious domains following file opens

SIEM Query:

source="windows" AND (process_name="acad.exe" OR process_name="inventor.exe") AND (event_id=1000 OR event_id=1001) AND message="*pskernel*"

🔗 References

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